EP0564238A1 - Supraleitender Film und Verfahren zu seiner Herstellung - Google Patents
Supraleitender Film und Verfahren zu seiner Herstellung Download PDFInfo
- Publication number
- EP0564238A1 EP0564238A1 EP93302476A EP93302476A EP0564238A1 EP 0564238 A1 EP0564238 A1 EP 0564238A1 EP 93302476 A EP93302476 A EP 93302476A EP 93302476 A EP93302476 A EP 93302476A EP 0564238 A1 EP0564238 A1 EP 0564238A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- superconducting
- oxide
- substrate
- layer
- superconducting layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title description 4
- 230000005291 magnetic effect Effects 0.000 claims abstract description 81
- 239000000758 substrate Substances 0.000 claims abstract description 64
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 44
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000010304 firing Methods 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 31
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 229910000510 noble metal Inorganic materials 0.000 claims description 7
- 229910015901 Bi-Sr-Ca-Cu-O Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 description 23
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 19
- 229910052709 silver Inorganic materials 0.000 description 19
- 239000004332 silver Substances 0.000 description 19
- 239000002002 slurry Substances 0.000 description 16
- 238000002844 melting Methods 0.000 description 14
- 230000008018 melting Effects 0.000 description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- 239000011521 glass Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 229910001026 inconel Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002648 laminated material Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- 229910052689 Holmium Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052769 Ytterbium Inorganic materials 0.000 description 2
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 235000019439 ethyl acetate Nutrition 0.000 description 1
- 229940093499 ethyl acetate Drugs 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910001293 incoloy Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- LEDMRZGFZIAGGB-UHFFFAOYSA-L strontium carbonate Chemical compound [Sr+2].[O-]C([O-])=O LEDMRZGFZIAGGB-UHFFFAOYSA-L 0.000 description 1
- 229910000018 strontium carbonate Inorganic materials 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0075—Magnetic shielding materials
- H05K9/0077—Magnetic shielding materials comprising superconductors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/01—Manufacture or treatment
- H10N60/0268—Manufacture or treatment of devices comprising copper oxide
- H10N60/0296—Processes for depositing or forming copper oxide superconductor layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/80—Constructional details
- H10N60/85—Superconducting active materials
- H10N60/855—Ceramic superconductors
- H10N60/857—Ceramic superconductors comprising copper oxide
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Superconductor Devices And Manufacturing Methods Thereof (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP75050/92 | 1992-03-31 | ||
JP7505092 | 1992-03-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0564238A1 true EP0564238A1 (de) | 1993-10-06 |
EP0564238B1 EP0564238B1 (de) | 1995-12-06 |
Family
ID=13564990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93302476A Expired - Lifetime EP0564238B1 (de) | 1992-03-31 | 1993-03-30 | Supraleitender Film und Verfahren zu seiner Herstellung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0564238B1 (de) |
CA (1) | CA2092595A1 (de) |
DE (1) | DE69300932T2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6209190B1 (en) * | 1996-05-03 | 2001-04-03 | The Korea Institute Of Machinery & Materials | Production of MgO dispersed Bi-2223 superconductor |
US6276048B1 (en) * | 1988-08-29 | 2001-08-21 | Sumitomo Electric Industries, Ltd. | Method of producing oxide superconductor |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990004856A1 (en) * | 1988-10-20 | 1990-05-03 | National Research Development Corporation | Improvements in and relating to superconducting composite conductors |
-
1993
- 1993-03-26 CA CA002092595A patent/CA2092595A1/en not_active Abandoned
- 1993-03-30 EP EP93302476A patent/EP0564238B1/de not_active Expired - Lifetime
- 1993-03-30 DE DE69300932T patent/DE69300932T2/de not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990004856A1 (en) * | 1988-10-20 | 1990-05-03 | National Research Development Corporation | Improvements in and relating to superconducting composite conductors |
Non-Patent Citations (2)
Title |
---|
MAGNETICS, vol.27, no.2, March 1991, pages 2202-5, New York, US & APPLIED SUPERCONDUCTIVITY CONFERENCE, 24 Sept.1990, Snowmass,US; Hoshino K. et al: "Magnetic shield of high-Tc BiPbSrCaCuO superconductors at 77K for SQUID measurement" * |
SUPERCONDUCTOR SCIENCE AND TECHNOLOGY vol. 2, no. 5, November 1989, LONDON, UK pages 274 - 278 Dou S.X. et al 'Superconductivity in the Bi-Pb-Sr-Ca-Cu-O system with oxide additions' * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6276048B1 (en) * | 1988-08-29 | 2001-08-21 | Sumitomo Electric Industries, Ltd. | Method of producing oxide superconductor |
US6209190B1 (en) * | 1996-05-03 | 2001-04-03 | The Korea Institute Of Machinery & Materials | Production of MgO dispersed Bi-2223 superconductor |
Also Published As
Publication number | Publication date |
---|---|
DE69300932T2 (de) | 1996-06-20 |
CA2092595A1 (en) | 1993-10-01 |
EP0564238B1 (de) | 1995-12-06 |
DE69300932D1 (de) | 1996-01-18 |
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